From 3d5dd72aa41f162fd5d4d6dd13f46c0fca5a14a9 Mon Sep 17 00:00:00 2001
From: Guus Sliepen <guus@sliepen.org>
Date: Mon, 21 Apr 2014 23:35:09 +0200
Subject: [PATCH] Remove unused logging functionality.

Just log to stderr for now. In the future we will use the callback provided by
the application.
---
 src/logger.c | 104 +++------------------------------------------------
 src/logger.h |   3 --
 2 files changed, 6 insertions(+), 101 deletions(-)

diff --git a/src/logger.c b/src/logger.c
index 54eb3b68..eb630890 100644
--- a/src/logger.c
+++ b/src/logger.c
@@ -19,56 +19,14 @@
 
 #include "system.h"
 
-#include "conf.h"
-#include "meta.h"
 #include "logger.h"
-#include "connection.h"
-#include "sptps.h"
 
 debug_t debug_level = DEBUG_NOTHING;
-static logmode_t logmode = LOGMODE_STDERR;
-static pid_t logpid;
-#ifdef HAVE_MINGW
-static HANDLE loghandle = NULL;
-#endif
-static const char *logident = NULL;
 
-static void real_logger(int level, int priority, const char *message) {
-	char timestr[32] = "";
-	static bool suppress = false;
-
-	// Bail out early if there is nothing to do.
-	if(suppress)
-		return;
-
-	if(level > debug_level || logmode == LOGMODE_NULL)
+void logger(int level, int priority, const char *format, ...) {
+	if(level > debug_level)
 		return;
 
-	if(level <= debug_level) {
-		switch(logmode) {
-			case LOGMODE_STDERR:
-				fprintf(stderr, "%s\n", message);
-				fflush(stderr);
-				break;
-			case LOGMODE_SYSLOG:
-#ifdef HAVE_MINGW
-				{
-					const char *messages[] = {message};
-					ReportEvent(loghandle, priority, 0, 0, NULL, 1, 0, messages, NULL);
-				}
-#else
-#ifdef HAVE_SYSLOG_H
-				syslog(priority, "%s", message);
-#endif
-#endif
-				break;
-			case LOGMODE_NULL:
-				break;
-		}
-	}
-}
-
-void logger(int level, int priority, const char *format, ...) {
 	va_list ap;
 	char message[1024] = "";
 
@@ -79,65 +37,15 @@ void logger(int level, int priority, const char *format, ...) {
 	if(len > 0 && len < sizeof message && message[len - 1] == '\n')
 		message[len - 1] = 0;
 
-	real_logger(level, priority, message);
+	fprintf(stderr, "%s\n", message);
 }
 
-static void sptps_logger(sptps_t *s, int s_errno, const char *format, va_list ap) {
+// TODO: make sure this gets used somewhere
+static void sptps_logger(struct sptps *s, int s_errno, const char *format, va_list ap) {
 	char message[1024] = "";
 	int len = vsnprintf(message, sizeof message, format, ap);
 	if(len > 0 && len < sizeof message && message[len - 1] == '\n')
 		message[len - 1] = 0;
 
-	real_logger(DEBUG_ALWAYS, LOG_ERR, message);
-}
-
-void openlogger(const char *ident, logmode_t mode) {
-	logident = ident;
-	logmode = mode;
-
-	switch(mode) {
-		case LOGMODE_STDERR:
-			logpid = getpid();
-			break;
-		case LOGMODE_SYSLOG:
-#ifdef HAVE_MINGW
-			loghandle = RegisterEventSource(NULL, logident);
-			if(!loghandle) {
-				fprintf(stderr, "Could not open log handle!");
-				logmode = LOGMODE_NULL;
-			}
-			break;
-#else
-#ifdef HAVE_SYSLOG_H
-			openlog(logident, LOG_CONS | LOG_PID, LOG_DAEMON);
-			break;
-#endif
-#endif
-		case LOGMODE_NULL:
-			break;
-	}
-
-	if(logmode != LOGMODE_NULL)
-		sptps_log = sptps_logger;
-	else
-		sptps_log = sptps_log_quiet;
-}
-
-void closelogger(void) {
-	switch(logmode) {
-		case LOGMODE_SYSLOG:
-#ifdef HAVE_MINGW
-			DeregisterEventSource(loghandle);
-			break;
-#else
-#ifdef HAVE_SYSLOG_H
-			closelog();
-			break;
-#endif
-#endif
-		case LOGMODE_NULL:
-		case LOGMODE_STDERR:
-			break;
-			break;
-	}
+	fprintf(stderr, "%s\n", message);
 }
diff --git a/src/logger.h b/src/logger.h
index 91440313..89d65616 100644
--- a/src/logger.h
+++ b/src/logger.h
@@ -64,9 +64,6 @@ enum {
 #endif
 
 extern debug_t debug_level;
-extern bool logcontrol;
-extern void openlogger(const char *, logmode_t);
 extern void logger(int, int, const char *, ...) __attribute__ ((__format__(printf, 3, 4)));
-extern void closelogger(void);
 
 #endif /* __TINC_LOGGER_H__ */
-- 
2.39.5